Ornamental hat



FIG. 1 is a front perspective view of an ornamental hat showing my new design;

FIG. 2 is an end elevational view, the opposite end is a mirror image;

FIG. 3 is a plan view thereof;

FIG. 4 is a side view thereof; and,

FIG. 5 is a bottom view thereof. 

The ornamental design for an ornamental hat, as shown and described. 